SOHO
10th January 2014, 16:40
A solar magnetic active region containing the largest sunspot group of the last 10 years unleashed a large (X1.2) flare when
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/10jan2014/)
More... (http://soho.nascom.nasa.gov/pickoftheweek/old/10jan2014/)